travel ration
1.This text views and admire the garden as the example with the swan of Sanmenxia, Have probed into the habit environment of the swan at first, then proceed with the choosing of ecological factor, method to adopt quantitative analysis, regard living beings amount, soil, vegetation, people as, view and impact on animal, etc. for factor of appraising, Ration calculate project construction perch the influence of the ecological environment to swan, have probed into the influence degree to the wetland ecological environment of the Yellow River of construction project of the travel, and has put forward the concrete opinions and suggestions to construction and protective measure in the tourist zone.

